18 - 20 miles an hour is fast for even a club rider. I would say average speed for most people is 12 - 15 mph if even that but regardless who are you comparing yourself to and why? Cycling by and large is an individual sport and you know when you are pushing yourself or slacking off. For some people 10 miles an hour is pushing... there is nothing wrong with that...
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Private docent led mountain bike rides through Limestone Canyon. Go to
letsgooutside.org and register today! Also available: hikes, equestrian rides and family events as well as trail maintenance and science study.